{"product_id":"hm-digital-com80-ec-tds-temp-waterproof-hydro-tester","title":"HM Digital COM80 EC\/TDS\/Temp Waterproof Hydro Tester","description":"The COM-80 is an economically priced, reliable EC\/TDS meter that is ideal for testing applications such as hydroponics \u0026amp; gardening, pools \u0026amp; spas, aquariums \u0026amp; reef tanks, water ionizers, drinking water and more.\n\n\nMeasures electrical conductivity (EC), total dissolved solids (TDS).  Excellent for hydroponic nutrient testing.\n\n\nFour scales: EC: , mS;  TDS: ppm, ppt  \n\n\nAutomatic Temperature Compensation (ATC)\n\n\nWater resistant\n\n\nMeasurement Range: 0-9990 ¬¨¬µS; 0-5000 ppm; 0-9.9 mS; 0-5.0 ppt \n\n\nDigital Calibration (push button) to any point within the meter's range\n\n\nAuto-off function, data-hold function and low-battery indicator\n\n\nDisplay: large and easy-to-read LCD screen includes simultaneous temperature reading\n\n\nFactory Calibrated: The COM-80 meter is calibrated with a 1413 ¬¨¬µS solution can be recalibrated with digital calibration using the push buttons\n\n\nIncludes a protective cap and batteries.\n\n\n \n\n\nSPECIFICATIONS\n\n\nEC Range: 0-9990 ¬¨¬µS; 0-9.9 mS  \nTDS Range: 0-5000 ppm (mg\/L); 0-5.0 ppt  \nTemperature Range: 1-80F \nResolution: 1¬¨¬µS\/ppm; 0.1 mS\/ppt   \n     Temp. resolution: 0.1C\/F \nAccuracy: +\/- 2% \nEC-to-TDS Conversion Factor: NaCl (avg of 0.5) \nCalibration: Digital calibration by push button \nProbe: Fixed \nHousing: Water resistant\nPower source: 3 x 1.5V button cell batteries (included)  (model LR44 or equivalent)\nDimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches) \nWeight: 53.9 g (1.9 oz)\n\n\n1 year warranty","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":58449118232879,"sku":"400000013169","price":41.79,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/HMDCOM80_1.jpg?v=1789039854","url":"https:\/\/mattshydroponics.com\/products\/hm-digital-com80-ec-tds-temp-waterproof-hydro-tester","provider":"Matt’s Hydroponics","version":"1.0","type":"link"}